/*
 *    Copyright (c) 2006 ThoughtWorks, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.thoughtworks.turtlemock.internal;

import com.thoughtworks.turtlemock.Executable;

public class ReturnValue {
    private String operationName;
    private Object expectedValue;
    private Executable executable;

    ReturnValue(String operationName) {
        this.operationName = operationName;
    }

    String getOperationName() {
        return operationName;
    }

    Object getExpected(Object[] params) throws ExpectedException {
        if (executable != null) {
            return executable.execute(params);
        }
        return expectedValue;
    }

    Object getValueWithoutException() {
        return expectedValue;
    }

    public void willReturn(final Object expectedValue) {
        this.expectedValue = expectedValue;
        willExecute(new Executable() {
            public Object execute(Object[] params) {
                return expectedValue;
            }
        });
    }

    public void willThrow(final Throwable expectedException) {
        willExecute(new Executable() {
            public Object execute(Object[] params) {
                throw new ExpectedException(expectedException);
            }
        });
    }

    public void willExecute(Executable executable) {
        this.executable = executable;
    }
}
